Apple's confidential iBoot source code leaked online

10 February, 2018, 09:47 | Author: Bertha Harmon

Jonathan Levin, the author of a series of books on iOS and Mac OSX internals, called the leak "huge", speculating the code is now making rounds in the underground iOS jailbreaking community. However, Apple did not explain how the source code ended up being exposed to the public.

"While having access to source code does make it easier to find vulnerabilities, many iOS jailbreaks over the years have proved that it is not necessary". Apple keeps iBoot under a particularly close guard because of its low-level nature and role in the operating system. READ NEXT:70% of consumers would boycott services with poor data protection The release, presumably made by an Apple insider, has been described by iOS expert Jonathan Levin as "the biggest leak in history".

Apple is in the middle of a serious security scare after the source code for iBoot was anonymously posted on GitHub. Bugs in the iOS boot process are the most valuable ones to be covered by the company's bug bounty program, receiving a maximum payout of $200,000.

According to Apple, 93% of its users are using iOS 10 or above. However, as a precautionary measure, the company has removed the code from GitHub via a DMCA takedown notice.

While the leak just gained mainstream attention this week, the code has been floating around for a while.

Andy Kays, chief technology officer at British cybersecurity firm Redscan, told Sky News: "The release of the iBoot code demonstrates that vendors can't take it for granted that source code will always remain hidden". While Apple has said that the leak is essentially nothing for users to be concerned about, it makes one wonder whether Apple's ecosystem is as roughly locked down as once thought.

The code has seemingly been taken from the "iBoot" part of the iOS, the part of the computer that begins to boot the operating system when it is turned on. Although the source was only available for a short time, it's likely that hundreds of people viewed and downloaded the material while it was available.

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